Filters: US Zinc Grade 5 5/16" Remove All

Carriage bolts & Plow bolts, Zinc plated grade 5, 5/16"

Carriage and Timber bolts have no drive, and machine threads for use with a nut.

Carriage bolts & Plow bolts, Zinc plated grade 5, 5/16"
Carriage bolts Carriage heads are large smooth and domed with no drive. Zinc plated grade 5 steel A tempered medium carbon steel. Zinc plated for moderate corrosion resistance. Grade 5 falls between grade 2 and grade 8 in strength, and is commonly found in automotive applications. Show Details Hide Details